CN103420422B - 一种羟氧化铬的制备方法 - Google Patents
一种羟氧化铬的制备方法 Download PDFInfo
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- CN103420422B CN103420422B CN201210163938.6A CN201210163938A CN103420422B CN 103420422 B CN103420422 B CN 103420422B CN 201210163938 A CN201210163938 A CN 201210163938A CN 103420422 B CN103420422 B CN 103420422B
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- chromic
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- washing
- oxyhydroxide
- reducing gas
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CN201210163938.6A CN103420422B (zh) | 2012-05-24 | 2012-05-24 | 一种羟氧化铬的制备方法 |
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CN201210163938.6A CN103420422B (zh) | 2012-05-24 | 2012-05-24 | 一种羟氧化铬的制备方法 |
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CN103420422A CN103420422A (zh) | 2013-12-04 |
CN103420422B true CN103420422B (zh) | 2016-03-02 |
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CN201210163938.6A Expired - Fee Related CN103420422B (zh) | 2012-05-24 | 2012-05-24 | 一种羟氧化铬的制备方法 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114195189B (zh) * | 2021-12-21 | 2024-01-02 | 青海省博鸿化工科技股份有限公司 | 一种羟基氧化铬的制备工艺 |
CN114436330B (zh) * | 2022-01-30 | 2024-05-14 | 青海省博鸿化工科技股份有限公司 | 一种α-羟基氧化铬的制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5215727A (en) * | 1990-03-02 | 1993-06-01 | Occidental Chemical Corporation | Method of making chromic oxide |
CN1907865A (zh) * | 2005-08-02 | 2007-02-07 | 中国科学院过程工程研究所 | 一种用气体还原剂低温还原铬盐制备氧化铬的方法 |
CN102030370A (zh) * | 2009-09-28 | 2011-04-27 | 中国科学院过程工程研究所 | 一种高松装密度氧化铬的清洁制备方法 |
WO2011117274A1 (de) * | 2010-03-23 | 2011-09-29 | Lanxess Deutschland Gmbh | Verfahren zur herstellung von chrom(iii)-oxid |
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2012
- 2012-05-24 CN CN201210163938.6A patent/CN103420422B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5215727A (en) * | 1990-03-02 | 1993-06-01 | Occidental Chemical Corporation | Method of making chromic oxide |
CN1907865A (zh) * | 2005-08-02 | 2007-02-07 | 中国科学院过程工程研究所 | 一种用气体还原剂低温还原铬盐制备氧化铬的方法 |
CN102030370A (zh) * | 2009-09-28 | 2011-04-27 | 中国科学院过程工程研究所 | 一种高松装密度氧化铬的清洁制备方法 |
WO2011117274A1 (de) * | 2010-03-23 | 2011-09-29 | Lanxess Deutschland Gmbh | Verfahren zur herstellung von chrom(iii)-oxid |
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Inventor after: Zhang Hongling Inventor after: Liang Shuting Inventor after: Li Ping Inventor after: Xu Hongbin Inventor after: Zhang Yi Inventor after: Wang Shijun Inventor after: Li Bangdong Inventor after: Xu Cheng Inventor after: Gao Jianjun Inventor before: Zhang Hongling Inventor before: Liang Shuting Inventor before: Li Ping Inventor before: Xu Hongbin Inventor before: Zhang Yi Inventor before: Wang Shijun Inventor before: Li Bangdong Inventor before: Xu Cheng |
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